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49906020 = 22354120287
BaseRepresentation
bin1011111001100…
…0000101100100
310110220111012010
42332120011210
5100233443040
64541354220
71144123413
oct276300544
9113814163
1049906020
112619714a
1214868970
13a4546b8
1468b147a
1545abe80
hex2f98164

49906020 has 48 divisors (see below), whose sum is σ = 143152128. Its totient is φ = 12983040.

The previous prime is 49905983. The next prime is 49906099. The reversal of 49906020 is 2060994.

It is a super-2 number, since 2×499060202 = 4981221664480800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7684 + ... + 12603.

It is an arithmetic number, because the mean of its divisors is an integer number (2982336).

Almost surely, 249906020 is an apocalyptic number.

It is an amenable number.

49906020 is an abundant number, since it is smaller than the sum of its proper divisors (93246108).

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

49906020 is a wasteful number, since it uses less digits than its factorization.

49906020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20340 (or 20338 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 49906020 is about 7064.4192967292. The cubic root of 49906020 is about 368.1721882449.

The spelling of 49906020 in words is "forty-nine million, nine hundred six thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 41 60 82 123 164 205 246 410 492 615 820 1230 2460 20287 40574 60861 81148 101435 121722 202870 243444 304305 405740 608610 831767 1217220 1663534 2495301 3327068 4158835 4990602 8317670 9981204 12476505 16635340 24953010 49906020