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29950920 = 23325271307
BaseRepresentation
bin111001001000…
…0001111001000
32002100122221100
41302100033020
530131412140
62545541400
7512402316
oct162201710
962318840
1029950920
11159a762a
12a044860
13628884c
143d990b6
152969530
hex1c903c8

29950920 has 96 divisors (see below), whose sum is σ = 98017920. Its totient is φ = 7931520.

The previous prime is 29950913. The next prime is 29950927. The reversal of 29950920 is 2905992.

It is an interprime number because it is at equal distance from previous prime (29950913) and next prime (29950927).

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

It is not an unprimeable number, because it can be changed into a prime (29950927) 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, 97407 + ... + 97713.

It is an arithmetic number, because the mean of its divisors is an integer number (1021020).

Almost surely, 229950920 is an apocalyptic number.

29950920 is a gapful number since it is divisible by the number (20) 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 29950920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49008960).

29950920 is an abundant number, since it is smaller than the sum of its proper divisors (68067000).

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

29950920 is a wasteful number, since it uses less digits than its factorization.

29950920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 29950920 is about 5472.7433705592. The cubic root of 29950920 is about 310.5537103598.

The spelling of 29950920 in words is "twenty-nine million, nine hundred fifty thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 271 307 360 542 614 813 921 1084 1228 1355 1535 1626 1842 2168 2439 2456 2710 2763 3070 3252 3684 4065 4605 4878 5420 5526 6140 6504 7368 8130 9210 9756 10840 11052 12195 12280 13815 16260 18420 19512 22104 24390 27630 32520 36840 48780 55260 83197 97560 110520 166394 249591 332788 415985 499182 665576 748773 831970 998364 1247955 1497546 1663940 1996728 2495910 2995092 3327880 3743865 4991820 5990184 7487730 9983640 14975460 29950920