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151023020 = 22519397429
BaseRepresentation
bin10010000000001…
…10110110101100
3101112011202122012
421000012312230
5302130214040
622552540352
73512450231
oct1100066654
9345152565
10151023020
1178280915
12426b16b8
1325399745
14160b3788
15d3d2865
hex9006dac

151023020 has 24 divisors (see below), whose sum is σ = 333841200. Its totient is φ = 57229632.

The previous prime is 151023013. The next prime is 151023071. The reversal of 151023020 is 20320151.

It is a happy number.

It is a super-3 number, since 3×1510230203 (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 151022986 and 151023004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198335 + ... + 199094.

It is an arithmetic number, because the mean of its divisors is an integer number (13910050).

Almost surely, 2151023020 is an apocalyptic number.

151023020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151023020 is an abundant number, since it is smaller than the sum of its proper divisors (182818180).

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

151023020 is a wasteful number, since it uses less digits than its factorization.

151023020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397457 (or 397455 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 151023020 is about 12289.1423622643. The cubic root of 151023020 is about 532.5344610964.

Adding to 151023020 its reverse (20320151), we get a palindrome (171343171).

The spelling of 151023020 in words is "one hundred fifty-one million, twenty-three thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 397429 794858 1589716 1987145 3974290 7551151 7948580 15102302 30204604 37755755 75511510 151023020