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47630772 = 22327189011
BaseRepresentation
bin1011010110110…
…0100110110100
310022121220010200
42311230212310
544143141042
64420520500
71115566140
oct265544664
9108556120
1047630772
1124982782
1213b50130
139b38bb7
14647c220
1542acc4c
hex2d6c9b4

47630772 has 36 divisors (see below), whose sum is σ = 137600736. Its totient is φ = 13608720.

The previous prime is 47630717. The next prime is 47630797. The reversal of 47630772 is 27703674.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94254 + ... + 94757.

Almost surely, 247630772 is an apocalyptic number.

47630772 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

47630772 is an abundant number, since it is smaller than the sum of its proper divisors (89969964).

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

47630772 is a wasteful number, since it uses less digits than its factorization.

47630772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189028 (or 189023 counting only the distinct ones).

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

The square root of 47630772 is about 6901.5050532474. The cubic root of 47630772 is about 362.4898692373.

The spelling of 47630772 in words is "forty-seven million, six hundred thirty thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 189011 378022 567033 756044 1134066 1323077 1701099 2268132 2646154 3402198 3969231 5292308 6804396 7938462 11907693 15876924 23815386 47630772