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45274236 = 22372372081
BaseRepresentation
bin1010110010110…
…1010001111100
310011012011120120
42230231101330
543042233421
64254214540
71056552600
oct254552174
9104164516
1045274236
1123613227
12131b4450
1394c23b7
146027500
153e948c6
hex2b2d47c

45274236 has 72 divisors (see below), whose sum is σ = 126269136. Its totient is φ = 12579840.

The previous prime is 45274231. The next prime is 45274267. The reversal of 45274236 is 63247254.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 45274197 and 45274206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45274231) 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, 20716 + ... + 22796.

It is an arithmetic number, because the mean of its divisors is an integer number (1753738).

Almost surely, 245274236 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 45274236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63134568).

45274236 is an abundant number, since it is smaller than the sum of its proper divisors (80994900).

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

45274236 is a wasteful number, since it uses less digits than its factorization.

45274236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2139 (or 2130 counting only the distinct ones).

The product of its digits is 40320, while the sum is 33.

The square root of 45274236 is about 6728.6132300794. The cubic root of 45274236 is about 356.4104070493.

The spelling of 45274236 in words is "forty-five million, two hundred seventy-four thousand, two hundred thirty-six".

Divisors: 1 2 3 4 6 7 12 14 21 28 37 42 49 74 84 98 111 147 148 196 222 259 294 444 518 588 777 1036 1554 1813 2081 3108 3626 4162 5439 6243 7252 8324 10878 12486 14567 21756 24972 29134 43701 58268 76997 87402 101969 153994 174804 203938 230991 305907 307988 407876 461982 538979 611814 923964 1077958 1223628 1616937 2155916 3233874 3772853 6467748 7545706 11318559 15091412 22637118 45274236