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620240076 = 223283251827
BaseRepresentation
bin100100111110000…
…001110011001100
31121020002110102200
4210332001303030
52232240140301
6141313521500
721240645051
oct4476016314
91536073380
10620240076
11299122605
12153873290
139b664381
145c535028
15396b9c86
hex24f81ccc

620240076 has 72 divisors (see below), whose sum is σ = 1594966464. Its totient is φ = 203196000.

The previous prime is 620240029. The next prime is 620240077. The reversal of 620240076 is 670042026.

It is not an unprimeable number, because it can be changed into a prime (620240077) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 749575 + ... + 750401.

It is an arithmetic number, because the mean of its divisors is an integer number (22152312).

Almost surely, 2620240076 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 620240076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (797483232).

620240076 is an abundant number, since it is smaller than the sum of its proper divisors (974726388).

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

620240076 is a wasteful number, since it uses less digits than its factorization.

620240076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171 (or 1166 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 620240076 is about 24904.6195714771. The cubic root of 620240076 is about 852.8119450183.

The spelling of 620240076 in words is "six hundred twenty million, two hundred forty thousand, seventy-six".

Divisors: 1 2 3 4 6 9 12 18 36 83 166 249 251 332 498 502 747 753 827 996 1004 1494 1506 1654 2259 2481 2988 3012 3308 4518 4962 7443 9036 9924 14886 20833 29772 41666 62499 68641 83332 124998 137282 187497 205923 207577 249996 274564 374994 411846 415154 617769 622731 749988 823692 830308 1235538 1245462 1868193 2471076 2490924 3736386 7472772 17228891 34457782 51686673 68915564 103373346 155060019 206746692 310120038 620240076