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4978152 = 2333191213
BaseRepresentation
bin10010111111010111101000
3100100220202000
4102333113220
52233300102
6254411000
760212364
oct22772750
910326660
104978152
1128a0183
121800a60
131053b6a
149382a4
1568501c
hex4bf5e8

4978152 has 64 divisors (see below), whose sum is σ = 14568000. Its totient is φ = 1570752.

The previous prime is 4978151. The next prime is 4978157. The reversal of 4978152 is 2518794.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4978151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3498 + ... + 4710.

It is an arithmetic number, because the mean of its divisors is an integer number (227625).

Almost surely, 24978152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4978152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7284000).

4978152 is an abundant number, since it is smaller than the sum of its proper divisors (9589848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4978152 is a wasteful number, since it uses less digits than its factorization.

4978152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247 (or 1237 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 4978152 is about 2231.1772677221. The cubic root of 4978152 is about 170.7481673183.

It can be divided in two parts, 497 and 8152, that added together give a square (8649 = 932).

The spelling of 4978152 in words is "four million, nine hundred seventy-eight thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 18 19 24 27 36 38 54 57 72 76 108 114 152 171 216 228 342 456 513 684 1026 1213 1368 2052 2426 3639 4104 4852 7278 9704 10917 14556 21834 23047 29112 32751 43668 46094 65502 69141 87336 92188 131004 138282 184376 207423 262008 276564 414846 553128 622269 829692 1244538 1659384 2489076 4978152