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30774276 = 22331323953
BaseRepresentation
bin111010101100…
…1010000000100
32010220111101000
41311121100010
530334234101
63015333300
7522401631
oct165312004
963814330
1030774276
111640a195
12a381230
1364b6540
144131188
152a7d486
hex1d59404

30774276 has 96 divisors (see below), whose sum is σ = 89752320. Its totient is φ = 9047808.

The previous prime is 30774257. The next prime is 30774329. The reversal of 30774276 is 67247703.

30774276 = 3142 + 3152 + ... + 4972.

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

It is a self number, because there is not a number n which added to its sum of digits gives 30774276.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31816 + ... + 32768.

It is an arithmetic number, because the mean of its divisors is an integer number (934920).

Almost surely, 230774276 is an apocalyptic number.

30774276 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30774276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44876160).

30774276 is an abundant number, since it is smaller than the sum of its proper divisors (58978044).

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

30774276 is a wasteful number, since it uses less digits than its factorization.

30774276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002 (or 994 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 36.

The square root of 30774276 is about 5547.4567145675. The cubic root of 30774276 is about 313.3737501307.

The spelling of 30774276 in words is "thirty million, seven hundred seventy-four thousand, two hundred seventy-six".

Divisors: 1 2 3 4 6 9 12 13 18 23 26 27 36 39 46 52 54 69 78 92 108 117 138 156 207 234 276 299 351 414 468 598 621 702 828 897 953 1196 1242 1404 1794 1906 2484 2691 2859 3588 3812 5382 5718 8073 8577 10764 11436 12389 16146 17154 21919 24778 25731 32292 34308 37167 43838 49556 51462 65757 74334 87676 102924 111501 131514 148668 197271 223002 263028 284947 334503 394542 446004 569894 591813 669006 789084 854841 1139788 1183626 1338012 1709682 2367252 2564523 3419364 5129046 7693569 10258092 15387138 30774276