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2102034428 = 2213178328649
BaseRepresentation
bin111110101001010…
…0111111111111100
312102111100102010222
41331102213333330
513301110100203
6544325520512
7103042666154
oct17522477774
95374312128
102102034428
119895a863a
124a7b73138
13276650b70
1415d259764
15c481a038
hex7d4a7ffc

2102034428 has 48 divisors (see below), whose sum is σ = 4245242400. Its totient is φ = 902068224.

The previous prime is 2102034427. The next prime is 2102034437. The reversal of 2102034428 is 8244302012.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 2102034397 and 2102034406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102034427) 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, 59048 + ... + 87696.

It is an arithmetic number, because the mean of its divisors is an integer number (88442550).

Almost surely, 22102034428 is an apocalyptic number.

It is an amenable number.

2102034428 is an abundant number, since it is smaller than the sum of its proper divisors (2143207972).

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

2102034428 is a wasteful number, since it uses less digits than its factorization.

2102034428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28766 (or 28764 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 2102034428 is about 45847.9490053808. The cubic root of 2102034428 is about 1280.9925626482.

The spelling of 2102034428 in words is "two billion, one hundred two million, thirty-four thousand, four hundred twenty-eight".

Divisors: 1 2 4 13 17 26 34 52 68 83 166 221 332 442 884 1079 1411 2158 2822 4316 5644 18343 28649 36686 57298 73372 114596 372437 487033 744874 974066 1489748 1948132 2377867 4755734 6331429 9511468 12662858 25325716 30912271 40423739 61824542 80847478 123649084 161694956 525508607 1051017214 2102034428