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30374136 = 23331329373
BaseRepresentation
bin111001111011…
…1100011111000
32010011011111000
41303313203320
530233433021
63003005000
7516114222
oct163674370
963134430
1030374136
11161665a1
12a209760
1363a6380
144069412
1529eeb26
hex1cf78f8

30374136 has 128 divisors (see below), whose sum is σ = 94248000. Its totient is φ = 8999424.

The previous prime is 30374119. The next prime is 30374167. The reversal of 30374136 is 63147303.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 81246 + ... + 81618.

Almost surely, 230374136 is an apocalyptic number.

30374136 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 30374136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47124000).

30374136 is an abundant number, since it is smaller than the sum of its proper divisors (63873864).

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

30374136 is a wasteful number, since it uses less digits than its factorization.

30374136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 30374136 is about 5511.2735370330. The cubic root of 30374136 is about 312.0096150883.

The spelling of 30374136 in words is "thirty million, three hundred seventy-four thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 8 9 12 13 18 24 26 27 29 36 39 52 54 58 72 78 87 104 108 116 117 156 174 216 232 234 261 312 348 351 373 377 468 522 696 702 746 754 783 936 1044 1119 1131 1404 1492 1508 1566 2088 2238 2262 2808 2984 3016 3132 3357 3393 4476 4524 4849 6264 6714 6786 8952 9048 9698 10071 10179 10817 13428 13572 14547 19396 20142 20358 21634 26856 27144 29094 32451 38792 40284 40716 43268 43641 58188 64902 80568 81432 86536 87282 97353 116376 129804 130923 140621 174564 194706 259608 261846 281242 292059 349128 389412 421863 523692 562484 584118 778824 843726 1047384 1124968 1168236 1265589 1687452 2336472 2531178 3374904 3796767 5062356 7593534 10124712 15187068 30374136