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47469828 = 2237319607
BaseRepresentation
bin1011010100010…
…1010100000100
310022022201100210
42311011110010
544123013303
64413235420
71114326000
oct265052404
9108281323
1047469828
112488286a
1213a92b70
139ab0873
146439700
15427a203
hex2d45504

47469828 has 96 divisors (see below), whose sum is σ = 136192000. Its totient is φ = 12827808.

The previous prime is 47469823. The next prime is 47469833. The reversal of 47469828 is 82896474.

It is an interprime number because it is at equal distance from previous prime (47469823) and next prime (47469833).

It is a super-3 number, since 3×474698283 (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (47469823) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77901 + ... + 78507.

Almost surely, 247469828 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 47469828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68096000).

47469828 is an abundant number, since it is smaller than the sum of its proper divisors (88722172).

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

47469828 is a wasteful number, since it uses less digits than its factorization.

47469828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654 (or 638 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The square root of 47469828 is about 6889.8351213944. The cubic root of 47469828 is about 362.0811250476.

The spelling of 47469828 in words is "forty-seven million, four hundred sixty-nine thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 7 12 14 19 21 28 38 42 49 57 76 84 98 114 133 147 196 228 266 294 343 399 532 588 607 686 798 931 1029 1214 1372 1596 1821 1862 2058 2428 2793 3642 3724 4116 4249 5586 6517 7284 8498 11172 11533 12747 13034 16996 19551 23066 25494 26068 29743 34599 39102 46132 50988 59486 69198 78204 80731 89229 118972 138396 161462 178458 208201 242193 322924 356916 416402 484386 565117 624603 832804 968772 1130234 1249206 1695351 2260468 2498412 3390702 3955819 6781404 7911638 11867457 15823276 23734914 47469828